Cornerstone content contributes to authenticating your brand and generating traffic. Those two things alone (believe me, I know), bloggers spend years trying to accomplish. If cornerstone pieces of content are a shortcut to accomplishing that, why are they missing from so many websites?
Realtors have an opportunity with SEO, regardless of the market conditions. Start building a great brand that positions you as the expert in your area.
There’s also many different needs that a local business requires that a large company serving the entire country through one or many locations doesn’t. Google recognizes that the local economy is supported by small businesses and has built tools within Google My Business that are ready for you to use (and are 100% free).